package cn.zhagzheguo.xk.dao;

import java.util.List;

import cn.zhagzheguo.xk.model.CourseFile;

public interface CourseFileDao {

	int insert(CourseFile courseFile);

	List<CourseFile> getAllByCourseId(int course_id);

	int delete(int courseFile_id);

	int addDownloadCount(String sourceName);

}
